Tourniquet



FIG. 1 is a top perspective view of a tourniquet;

FIG. 2 is a top view thereof; and,

FIG. 3 is a bottom view thereof.

The broken lines depict portions of the tourniquet that form no part of the claimed design; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a tourniquet, as shown and described. 